def add(a,b):
    return a + b
def minus(a,b):
    return a - b
def multi(a,b):
    return a * b
def div(a,b):
    return a / b
def aliquot(a,b):
    return a // b
def remain(a,b):
    return a % b
def sqrt(a,b):
    return a ** (1/2)